The PTVK420 6" ventilation flange must be used with the PTVK410 ventilation air intake spacer. The addition of a ventilation kit allows fresh air into you home. It works with all LG LCN ceiling cassettes. Included is the flange and 7 screws for installation. The PTVK410 ventilation air intake spacer can be purchased separately or as part of a kit with both the PTVK410 and PTVK420 included.
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Replacement of malfunctioning Product and Parts for one (1) year from the date of original installation.